Finding the Fourth Proportional to 140,104.75, 193,344.56 and 89,803.75

Step by Step Solution

1. Step 1: Write the proportion equation
   140,104.75 : 193,344.56 = 89,803.75 : x
2. Step 2: Convert to fraction form
   140,104.75/193,344.56 = 89,803.75/x
3. Step 3: Cross multiply
   140,104.75x = 193,344.56 × 89,803.75
4. Step 4: Simplify right side
   140,104.75x = 17,363,066,530.10
5. Step 5: Solve for x
   x = 17,363,066,530.10/140,104.75
6. Step 6: Final answer
   x = 123,929.18